Patent · US Expired

Machine for trimming eyeglass lenses

US5605498A · kind A · utility

5Cited by
10References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 5, 1994
Grant dateFeb 25, 1997
Priority date
Expiry dateOct 5, 2014

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB24B9/14
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

An eyeglass lens trimming machine includes spring arrangements operative between a carriage and a chassis to urge the carriage towards an associated feeler. The feeler being mobile on the chassis, auxiliary spring arrangements between it and the carriage also urge the carriage towards the feeler.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.